1 to 25 of 53 Permanent Senior Network Engineer Jobs in the UK

## Senior Network EngineerApplylocations: United Kingdom - Portsmouthtime type: Full timeposted on: Posted 16 Days Agotime left to apply: End Date: August 24, 2026 (30+ days left to apply)job requisition id: R57615**Job Summary:**As a Senior Network Engineer, you will lead the design, implementation … support of enterprise network infrastructure across our UK data center and office environments. This role is focused on data center networking, load balancing, and core network services, ensuring high availability, performance, and security across all platforms.**Job Description:****Exciting Opportunity: Senior Network Engineer ...

Senior Network Engineer North Lincolnshire/hybrid Circa £65,000 + Great benefits I am currently hiring for an experienced Senior Network Engineer to join a household name going through a large-scale network refresh across multiple sites. In this role, you will … Aruba Networks, leading the hands-on work for the refresh as well as designing and improving their current. This role would suit an experienced Network Engineer, with a proven track record of delivering network-related projects, influencing network design, defining network standards and resolving network ...

client, a prestigious organisation within the Defence & Security sector, is looking for a Senior Network Engineer to join their dynamic team in Farnborough. This is a permanent role where you will work with cutting-edge technology and contribute to innovative solutions that empower and protect lives. Your … responsibilities will include: Lead the transformation from manual to automated network operations, establishing best practices and driving the automation roadmap Design and implement network automation solutions across LAN, WAN, and datacentre environments Develop and maintain automation scripts using Python, Ansible, and Terraform Integrate and optimise centralised network ...

Senior Network Engineer Roc Technologies | Professional Services | North UK ) Shape the networks that power some of the UKs most critical organisations. At Roc Technologies , we deliver transformational IT services and solutions that help our customers modernise, secure, and optimise their technology environments. As part of our continued … growth, we are looking for an experienced Senior Network Engineer to join our Professional Services team. This is an exciting opportunity for a highly skilled networking professional who enjoys working across diverse customer environments, delivering enterprise-scale solutions from design through to implementation. You'll play ...

Senior Network Engineer - Cisco/Firewalls/Projects Permanent Location: Worcester Salary: £60,000 - £75,000 + car allowance + benefits Skills: Cisco , CCNP-level networking, ASA/FTD, VPNs, OSPF, BGP, EIGRP, LAN/WAN, Wi-Fi We're looking for an experienced Network Engineer … growing, engineering-led technology business based in Worcester. This is a hands-on technical role covering project delivery, customer solutions, escalation support and network design. It would suit someone operating at, or close to, Senior Network Engineer level who enjoys working across varied customer environments rather ...

Senior Network Engineer Juniper & Palo Alto Job Title: Senior Network Engineer Location: London/Hybrid Employment Type: Permanent Salary: £55k-£70k DOE About the Role We are seeking an experienced Senior Network Engineer with deep expertise in Juniper and Palo Alto … technologies to join our growing team. This is a hands-on technical position where youll take ownership of designing, implementing, and supporting complex network infrastructures across enterprise environments. Youll work closely with architecture, security, and operations teams to ensure high availability, strong security posture, and continuous service improvement. ...

Role : Senior Network Engineer Client: Elite global hedge fund Compensation : Top end base salary + bonus paid Location: Not Specified (Hybrid) Overview An elite global hedge fund are now seeking a Senior Network Engineer to work on it’s trading infrastructure. To apply … culture, and the opportunity to work on industry-leading networks within a high-frequency trading environment. Key responsibilities include: • Design, deploy and troubleshoot global network infrastructure • Design industry leading networks • Implement optimisations to build low latency network • Work on network redesign, expansion and upgrade • Support trading teams ...

Senior Network Engineer – Cloud, Security & Infrastructure Location: London (Hybrid) Employment Type: Permanent/Fixed-Term Contract Start Date: ASAP Build, Secure and Transform Enterprise Networks We're seeking a highly skilled Senior Network Engineer to join a growing technology team responsible for designing, securing … optimizing enterprise and cloud network infrastructure across a complex, global environment. This is an opportunity to lead the delivery of modern networking and security solutions, working across cloud platforms, next-generation firewalls, automation technologies, and compliance initiatives. You'll play a critical role in ensuring our network infrastructure ...

Senior Network Engineer – Contract 📍 Manchester (2-3 days/week onsite) | £500/day, Outside IR35 | 5-month contract We're looking for a hands-on Senior Network Engineer to take ownership of the corporate network end to end across every site: switching … routing, wireless, firewalls, VPN and inter-site connectivity. This is a genuine full-stack role for someone who thinks network-first but is equally comfortable making routine changes across the wider estate, and who's calm and methodical when things go wrong. What you'll need: Expert-level network ...

inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Senior Network Engineer (DV Security Clearance) Position Description As a Senior Network Engineer at CGI, you will play a pivotal role … This role offers the chance to take meaningful ownership of complex challenges, collaborate with expert teams, and apply your creativity to deliver future-ready network solutions. Supported by CGI's strong engineering community, you'll make a lasting impact across high-value programmes while continuously growing your skills ...

Senior Network Engineer - Switching, Cisco, HP, Meraki, Zscaler, Azure - Media Exciting and well recognised large International Media Business urgently require a dynamic Senior Network Engineer to help them with a significant IT Transformation of their entire IT Platforms and Estate over the next … years You will be: An experienced Network Engineer with commercial experience of complex enterprise scale systems in distributed environments In-depth experience of: Networking, Switching, Firewalls: Cisco & HP, Meraki, Zscaler As well as Microsoft Azure & M365 An excellent opportunity to join a forward thinking recognised Media Brand undergoing ...

Senior Engineer | Leicester | Hybrid | £50,000-£60,000 About the Role: We're partnering with a highly reputable company based just outside of Leicester to find a talented Infrastructure Engineer. This is a hybrid position, offering 2 days from home after probation. The Opportunity: As an Infrastructure Engineer … team, working on exciting projects and ensuring the reliability, scalability, and security of IT environments. Key Responsibilities: Designing, implementing, and maintaining server, network, and storage solutions for clients. Providing 3rd line support, resolving complex technical issues efficiently. Managing cloud and hybrid environments, including Azure. Monitoring and maintaining infrastructure ...

Role: Senior IT Network Engineer Location: South West London Salary: £40,000 £50,000 Established MSP | Project Delivery | Microsoft Cloud | Enterprise Networking Were working with a well-established Managed Service Provider (MSP) in South West London that delivers high-quality IT services to a broad portfolio … enterprise customers. Due to continued growth, they're looking to recruit a Senior IT Network Engineer to join their experienced technical team. This is an excellent opportunity for an experienced infrastructure and networking professional who enjoys combining hands-on technical support with project delivery. ...

Senior Engineer | Leicester | Hybrid | £50,000-£60,000 About the Role: We're partnering with a highly reputable company based just outside of Leicester to find a talented Network & Infrastructure Engineer. This is a hybrid position, offering 2 days from home after probation. The Opportunity … Infrastructure Engineer, you'll be a vital part of the team, working on exciting projects and ensuring the reliability, scalability, and security of IT environments. Key Responsibilities: Designing, implementing, and maintaining server, network, and storage solutions for clients. Providing 3rd line support, resolving complex technical issues efficiently. Managing ...

Senior Network Engineer (Cisco CCNP) Location: Dudley Hill, Bradford (with travel across the wider operational area) Contract: 12 month contract Day Rate: £500 per day (Inside IR35) Important: Candidates must have clearance to a SC level and NPPV3. We're looking for an experienced Network Engineer to join a team of network specialists supporting a complex enterprise infrastructure environment. You'll be responsible for maintaining and improving a range of technologies including Cisco ACI, Nexus and Catalyst switches, Cisco ASA and Firepower firewalls, Checkpoint firewalls, Wireless LAN Controllers, Access Points, load balancers, VPNs, Teams ...

fast-growing global FinTech company, operating across multiple regions with a footprint spanning trading floors, data centres, and corporate offices worldwide. As a Senior Network Engineer, you will own the design, delivery and ongoing optimisation of our corporate office network infrastructure globally. You will define … This is a hands‐on, high‐impact role. You'll be the subject matter expert who turns business requirements into reliable, secure, and scalable network solutions, from greenfield office buildouts to major refits of existing sites. Network Design & Standards Define and maintain global network architecture standards ...

Role Description Senior Network Engineer – Cloud, Security & Infrastructure Location: London (Hybrid) Employment Type: Permanent/Fixed-Term Contract Start Date: ASAP Build, Secure and Transform Enterprise Networks What You'll Be Doing: Network & Cloud Infrastructure Design, implement, and support enterprise and cloud networking solutions across … enhance F5 Load Balancers (LTM, GTM, ASM) to deliver high availability and performance. Manage Infoblox DNS, DHCP, and IPAM services to support efficient network operations. Security, Compliance & Risk Management Configure and manage security policies across Palo Alto, Check Point, Cisco ASA, and ForeScout platforms. Support the implementation of Zero ...

Role: Senior Network Engineer - (F5,Palo Alto, SD-Wan) Location: UK, Remote Salary: £60,000 - £80,000 Profile We are working with a company that are internationally recognised in what they do and are helping millions of people around the world live a better life. They … looking to add a Network Engineer to their global infrastructure team,to support, maintain, and evolve their global enterprise network. Working closely with architects and cross-functional teams, you'll help deliver seamless connectivity that powers the digital health platforms and global operations. To be considered for this ...

inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Senior Network Engineer Position Description At CGI, our Space, Defence and Intelligence business unit delivers mission-critical systems that help keep the UK safe … secure. As a Software Defined Network Engineer, you will play a critical role in designing and delivering next-generation network solutions that enable secure, scalable, and high-performing environments. Working across complex hybrid infrastructures, you will help drive innovation through software-defined technologies, contributing to impactful programmes. ...

CACI Network Services From our headquarters in London, we're busy empowering organisations to make bold, strategic moves with the power of data and technology. Founded in 1975, our operations take place from multiple offices across the UK, Europe and India with over 1600 Full time employees … tomorrow's world, all while fostering a culture that allows employees to be their authentic selves and succeed in their careers. About Network Services CACI Network Services is a rapidly expanding specialist IT and Networks consultancy offering a wide variety of opportunities to work within challenging and exciting ...

life, while being safety first, and client and customer centric in a friendly, fun and respectful environment where you are encouraged to thrive. Senior Network Design Engineer – Hybrid – with some travel to Warwick when required. We are looking for an experienced Senior Network Design Engineer … required to ensure quality-control tests on a new product/system and overseeing its construction/manufacture, development and deployment. Key Deliverables Lead network designs for DDaT, and take ownership delivering scope of work documentation, schema outline designs, topology diagrams, detailed Infrastructure designs, bill of materials, physical & logical ...

life, while being safety first, and client and customer centric in a friendly, fun and respectful environment where you are encouraged to thrive. Senior Network Design Engineer – Hybrid – with some travel to Warwick when required. We are looking for an experienced Senior Network Design Engineer … required to ensure quality-control tests on a new product/system and overseeing its construction/manufacture, development and deployment. Key Deliverables Lead network designs for DDaT, and take ownership delivering scope of work documentation, schema outline designs, topology diagrams, detailed Infrastructure designs, bill of materials, physical & logical ...

think big, act fearlessly, and create an inclusive environment that drives positive impact to join our team. What you'll do As a Senior Network Engineer, your primary goal is to ensure the reliable, secure, and scalable operation of enterprise network infrastructure across both on‐premises … cloud environments. You will be part of a team responsible for network architecture, deployment, and operational readiness. You will play a key role in ensuring connectivity solutions align with performance, security, and availability requirements. The ideal candidate combines deep networking expertise with practical experience in cloud networking, compute platforms ...

Senior Network and Security Engineer - L2/L3 Network Infrastructure - Cyber Security - SIEM tools My client who are leaders in their field are looking for a Senior Cyber Security and Network Analyst to provide effective and timely operational support, development and management … network and security infrastructure to meet business requirements and objectives. Responsibilities: Support the delivery and maintenance of the organisation's cyber security and network infrastructure, ensuring systems remain secure, resilient, and aligned to business needs Manage day-to-day security operations, including monitoring SIEM platforms, Firewalls, endpoint protection ...

Senior Network Security Engineer Central Bristol (various hybrid working arrangements available depending on location). £65,000 to £75,000 + bonus, 25 days holiday, good contributory pension Are you a Network Security Engineer ready to step into a role where your expertise shapes … applications, infrastructure, and cloud services. Incident response experience is desirable but not essential. We're looking for someone with: Strong hands-on experience with network infrastructure and security, segmentation, firewalls, endpoint security, XDR and access control . Experience securing Cloud ( Azure and/or AWS) and on-premise environments. ...